<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        .my-link{
            color: #ccc;
        }
        .router-link-active{
            color: #000;
        }
    
    </style>
</head>
<body>
    <div id="app">
        <cmp-blue></cmp-blue>
    </div>
</body>
<script src="js/vue.js"></script>
<script>
    // 注册组件
    Vue.component('cmp-blue',{template:'<div>123456789</div>'});

    let vm = new Vue({
        el:'#app',
        methods:{
                 
        },
    })



</script>   
</html>